package io;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class CopyDemo2 {
    public static void main(String[] args) throws IOException {

        FileInputStream fis = new FileInputStream("./mimi.jpg");
        FileOutputStream fos = new FileOutputStream("./mao2.jpg");
         /*
        long start = System.currentTimeMillis();
        byte[] data = new byte[1024 * 10];
        while (fis.read(data)!=-1){
            fos.write(data);
        }
        long end = System.currentTimeMillis();
        System.out.println("复制完毕，耗时："+(end-start)+"ms");
        fis.close();
        fos.close();

         */


    }
}
